Build error log

Hi ,
Yes, tried blank and no content.
Using latest version, yes.

As the minimal instructions said, I changed my html5 engine.ini in the UE install dir:

[Audio]
AudioDeviceModuleName=HTML5Audio

[OnlineSubsystemMcp]
benabled=false

[SystemSettings]
r.setres=800x600

; These following settings have moved to the  inis and can be set from the editor
; These old value are left as reference until all old code paths are removed
;[BuildSettings]
;HeapSize=1024

;[HTML5DevicesWindows]
; (64 bit)="C:/Program Files//firefox.exe"
; (32 bit)="C:/Program Files (x86)//firefox.exe"
;Firefox (32 bit)="C:/Program Files (x86)/Mozilla Firefox/firefox.exe"
;Firefox Aurora  (32 bit)="C:/Program Files (x86)/Aurora/firefox.exe"
;Chrome="C:/Program Files (x86)//Chrome/Application/chrome.exe"

;all browsers on mac are 64 bit, 64 bit browsers can allocate more than 512MB of memory to around 1.5 GB. 
;[HTML5DevicesMac]
;Safari="/Applications/Safari.app/Contents/MacOS/Safari"
;Firefox="/Applications/Firefox.app/Contents/MacOS/firefox-bin"
;Firefox (Aurora)="/Applications/FirefoxAurora.app/Contents/MacOS/firefox-bin"

;[HTML5DevicesLinux]
;Firefox="/usr/bin/firefox"

;[HTML5SDKPaths]
Mac="E:/Program Files/Emscripten/emscripten/1.29.0"
Emscripten="E:/Program Files/Emscripten/emscripten/1.29.0"
Python="E:/Python27/python.exe"